Spring Creek Dam is Ready for the PMF: A Case Historyby William A. Moler, Morrison-Knudsen Engineers Inc, Denver, CO, USA,
Abstract: Spring Creek Dam is the first earth embankment dam in Colorado, with inadequate spillway capacity, to be modified utilizing roller compacted concrete (RCC). With a structural height of 15 meters, it is the highest dam in the world to be rehabilitated using this economically attractive and environmentally pleasing solution. The RCC lining was designed to safely pass the probable maximum flood (PMF). This paper is a case history that describes the project background and deficiencies. It goes on to discuss the conceptual rehabilitation plan, RCC trial mix program, hydraulic model study, and final design. The paper concludes with a description of the construction of the RCC spillway.
Subject Headings: Case studies | Concrete dams | Embankment dams | Dams | Rivers and streams | Roller-compacted concrete | Hydraulic models | Compaction (material) | Rehabilitation | Spillways | Hydraulic design | North America | Colorado | United States
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